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Finding the Fourth Proportional to 27,230.40, 40,841.60 and 8,506.08

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Solution

The fourth proportional to 27,230.40, 40,841.60 and 8,506.08 is: 12,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.40 : 40,841.60 = 8,506.08 : x
  2. Step 2: Convert to fraction form
    27,230.40/40,841.60 = 8,506.08/x
  3. Step 3: Cross multiply
    27,230.40x = 40,841.60 × 8,506.08
  4. Step 4: Simplify right side
    27,230.40x = 347,401,916.93
  5. Step 5: Solve for x
    x = 347,401,916.93/27,230.40
  6. Step 6: Final answer
    x = 12,757.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.